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[APD] Re: Hagen CO2 natural plant system
I use two of them on my low energy 29. I am still experimenting the with the
Right now I add water up to the mark and then add 2/3 cup of sugar, 1/3
teaspoon of yeast, and 1/3 teaspoon of baking soda. This maintains the
CO2 level between 12 and 20, according to George Booth's chart. The mixture
continues to generate enough CO2 for 8 - 10 days, sometimes more. I'm going
to keep experimenting.
The plants are responding to the extra CO2, although not dramatically.
I think the baking soda retards the yeast-sugar interaction, making it last
longer. I tried it without baking soda. It started faster - more bubbles per
minute - but it lasted only a few days.
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